Ishikawa, Naoto
Current rating: 1428
Record: 5-9
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 229 | Nakamura, Kouki (1500) | Won 2-0 | +181497 |
| 2standard | 386 | Sakamoto, Ryousuke (1611) | Lost 0-2 | -161481 |
| 3standard | 456 | Kenichirou T., (1498) | Lost 0-2 | -171464 |
| 4standard | 568 | Ishida, Ryouhei (1481) | Lost 0-2 | -181446 |
| 5standard | 661 | Masuda, Ryou (1462) | Lost 1-2 | -181428 |
| average opponent: 1511record: 1-4 | new rating: 1428 | |||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 243 | Morinaga, Masaharu (1381) | Lost 0-2 | -201480 |
| 2standard | 303 | Takeuchi, Hidehito (1220) | Won 2-0 | +131493 |
| 3standard | 241 | Yokoyama, Shigehisa (1620) | Lost 0-2 | -151478 |
| 4standard | 292 | Goto, Daiki (1464) | Lost 0-2 | -191459 |
| 5standard | 304 | Yuuki M., (1461) | Won 2-0 | +181477 |
| 6standard | 287 | Ishihara, Takashi (1699) | Won 2-0 | +221499 |
| 7standard | 191 | Lemmon, Andrew (1488) | Lost 0-2 | -181481 |
| 8standard | 178 | Yamano, Tatsuto (1357) | Won 2-1 | +161497 |
| 9standard | 152 | Miyoshi, Hiroki (1501) | Lost 0-2 | -181479 |
| average opponent: 1466record: 4-5 | new rating: 1479 | |||